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<div class="header">
  <div class="headertitle"><div class="title">system_stm32h7xx.h</div></div>
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<a href="system__stm32h7xx_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#ifndef SYSTEM_STM32H7XX_H</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#define SYSTEM_STM32H7XX_H</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> <span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>  <span class="comment">/* This variable is updated in three ways:</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">      1) by calling CMSIS function SystemCoreClockUpdate()</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">      2) by calling HAL API function HAL_RCC_GetSysClockFreq()</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">      3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">         Note: If you use this function to configure the system clock; then there</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">               is no need to call the 2 first functions listed above, since SystemCoreClock</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">               variable is updated automatically.</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">  */</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="keyword">extern</span> uint32_t <a class="code hl_variable" href="group___s_t_m32_h7xx___system___private___variables.html#gaa3cd3e43291e81e795d642b79b6088e6">SystemCoreClock</a>;             </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="keyword">extern</span> uint32_t <a class="code hl_variable" href="group___s_t_m32_h7xx___system___private___variables.html#gaa3016e42a01e5655e438fcf76e4ba5b0">SystemD2Clock</a>;               </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="keyword">extern</span> <span class="keyword">const</span>  uint8_t <a class="code hl_variable" href="group___s_t_m32_h7xx___system___private___variables.html#gac0142b24f5548d68accaf0d9b795c9e1">D1CorePrescTable</a>[16] ; </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code hl_function" href="group___s_t_m32_h7xx___system___exported___functions.html#ga93f514700ccf00d08dbdcff7f1224eb2">SystemInit</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code hl_function" href="group___s_t_m32_h7xx___system___exported___functions.html#gae0c36a9591fe6e9c45ecb21a794f0f0f">SystemCoreClockUpdate</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="keyword">extern</span> <span class="keywordtype">void</span> ExitRun0Mode(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>}</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="preprocessor">#endif </span><span class="comment">/* SYSTEM_STM32H7XX_H */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span></div>
<div class="ttc" id="agroup___s_t_m32_h7xx___system___exported___functions_html_ga93f514700ccf00d08dbdcff7f1224eb2"><div class="ttname"><a href="group___s_t_m32_h7xx___system___exported___functions.html#ga93f514700ccf00d08dbdcff7f1224eb2">SystemInit</a></div><div class="ttdeci">void SystemInit(void)</div><div class="ttdoc">Setup the microcontroller system Initialize the FPU setting and vector table location configuration.</div><div class="ttdef"><b>Definition</b> system_stm32h7xx.c:175</div></div>
<div class="ttc" id="agroup___s_t_m32_h7xx___system___exported___functions_html_gae0c36a9591fe6e9c45ecb21a794f0f0f"><div class="ttname"><a href="group___s_t_m32_h7xx___system___exported___functions.html#gae0c36a9591fe6e9c45ecb21a794f0f0f">SystemCoreClockUpdate</a></div><div class="ttdeci">void SystemCoreClockUpdate(void)</div><div class="ttdoc">Update SystemCoreClock variable according to Clock Register Values. The SystemCoreClock variable cont...</div><div class="ttdef"><b>Definition</b> system_stm32h7xx.c:340</div></div>
<div class="ttc" id="agroup___s_t_m32_h7xx___system___private___variables_html_gaa3016e42a01e5655e438fcf76e4ba5b0"><div class="ttname"><a href="group___s_t_m32_h7xx___system___private___variables.html#gaa3016e42a01e5655e438fcf76e4ba5b0">SystemD2Clock</a></div><div class="ttdeci">uint32_t SystemD2Clock</div><div class="ttdef"><b>Definition</b> system_stm32h7xx.c:149</div></div>
<div class="ttc" id="agroup___s_t_m32_h7xx___system___private___variables_html_gaa3cd3e43291e81e795d642b79b6088e6"><div class="ttname"><a href="group___s_t_m32_h7xx___system___private___variables.html#gaa3cd3e43291e81e795d642b79b6088e6">SystemCoreClock</a></div><div class="ttdeci">uint32_t SystemCoreClock</div><div class="ttdef"><b>Definition</b> system_stm32h7xx.c:148</div></div>
<div class="ttc" id="agroup___s_t_m32_h7xx___system___private___variables_html_gac0142b24f5548d68accaf0d9b795c9e1"><div class="ttname"><a href="group___s_t_m32_h7xx___system___private___variables.html#gac0142b24f5548d68accaf0d9b795c9e1">D1CorePrescTable</a></div><div class="ttdeci">const uint8_t D1CorePrescTable[16]</div><div class="ttdef"><b>Definition</b> system_stm32h7xx.c:150</div></div>
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